Vector Welding C-Series Operating Instructions Manual page 78

WELDING TECHNIQUE AND MAINTENANCE
TIG Welding
Parameters of AC TIG(MMA) for Aluinum and its alloy
Tungsten
Welding
Steet Pre-heat
wire
eletrode
thickness Temper
diameter
diameter
/mm /mm -ature/ºC
/mm
1 1.6 2
1.5 1.6~2.0 2
2 2~2.5 2~3
3 2~3 3
4 3 4
5 3~4 4
6 5
4
8 4~5 5 100
10 4~5 5 100~150
12 4~5 5~6 150~200
14 5~6 5~6 180~200
16 5~6 6 200~220
18 5~6 6 200~240
20 5~6 6 200~260
16~20 5~6 6 200~260
22~25 5~6 6~7 200~260
Notice: the above parameters originate from《Welding Dictionary》P538,
Volume 2 of Edition 2.
1.5 E-Series Equipment TIG Parameters Matching
Tungsten Electrode Current Ranges
146
Gas nozzle
Argon flow
Welding diameter
Remark
rate/L•min- 1
current/A
/mm
Flange welding
45~60 7~9 8
Flange or butt
50~80 7~9 8
welding by
one side
90~120 8~12 8~12 Butt welding
150~180 8~12 8~12
180~200 10~15 8~12
180~240 10~15 10~12
V-groove
butt welding
240~280 16~20 14~16
260~320 16~20 14~16
280~340 16~20 14~16
300~360 18~22 16~20
340~380 20~24 16~20
340~380 20~24 16~20
X-groove
butt welding
360~400 25~30 16~20
360~400 25~30 20~22
300~380 25~30 16~20
360~400 30~35 20~22
Guide for Selecting Filler Wire Diameter
WELDING TECHNIQUE AND MAINTENANCE
Tungsten Electrode Types
TIG Welding Filler Rods
TIG Welding is generally regarded as a specialized process that requires operator
competency. While many of the principles outlined in the previous Arc Welding section are
applicable a comprehensive outline of the TIG Welding process is outside the scope of this
Operating Manual.
TIG Welding
147